Gauge wheel arm



FIG. 1 is a perspective view of a gauge wheel arm showing my new designin use condition;

FIG. 2 is a top-right perspective view thereof;

FIG. 3 is a top-left perspective view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a proximal end view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a distal end view thereof; and,

FIG. 9 is a left view thereof.

The gauge wheel arm in use is mounted to an axle or a hub of a gaugewheel and has a scraper arm mounted thereto to support a scraperproximate an outer rolling surface of the gauge wheel as illustrated inFIG. 1.

The broken line showing of a gauge wheel and scraper arm is included forthe purpose of illustrating environmental structure and forms no part ofthe claimed design.

The ornamental design for a gauge wheel arm, as shown and described.